Are Diatoms the Main Biogenic Silica Substrate for Authigenic Products in Marine Deltaic Sediments?

Jeffrey W Krause1,2, Rebecca A Pickering1,3, Lucie Cassarino4, Katharine R Hendry4, Xiangli Shaun Wang1,2 and Kanchan Maiti5, (1)Dauphin Island Sea Lab, Dauphin Island, AL, United States, (2)University of South Alabama, Department of Marine Sciences, Mobile, AL, United States, (3)University of South Alabama, Marine Sciences, Mobile, AL, United States, (4)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (5)Louisiana State University, Baton Rouge, LA, United States